Adding basic exception handling
Merge pull request #3 from jschaeff/master

replacing pycurl by requests lib
Small change to readme
updated the dependency requirement
Bugfixes, changed params to data to allow non-get methods to work again correctly. Removed a syntax error on line 534
KVM Online migration

and some more exception handling
Merge git://github.com/Daemonthread/pyproxmox
Adding function getNodes
Adding an example script